add 'zh'-locale to fix build task

src/build-no-otr.js

@@ -27,6 +27,7 @@
         "nl": "locale/nl/LC_MESSAGES/nl",
         "pt_BR": "locale/pt_BR/LC_MESSAGES/pt_BR", 
         "ru": "locale/ru/LC_MESSAGES/ru",
+        "zh": "locale/zh/LC_MESSAGES/zh",
         "jquery.tinysort": "components/tinysort/src/jquery.tinysort",
         "underscore": "components/underscore/underscore",
         "backbone": "components/backbone/backbone",

src/build-website.js

@@ -27,6 +27,7 @@
         "nl": "locale/nl/LC_MESSAGES/nl",
         "pt_BR": "locale/pt_BR/LC_MESSAGES/pt_BR", 
         "ru": "locale/ru/LC_MESSAGES/ru",
+        "zh": "locale/zh/LC_MESSAGES/zh",
         "jquery.tinysort": "components/tinysort/src/jquery.tinysort",
         "jquery.browser": "components/jquery.browser/dist/jquery.browser",
         "underscore": "components/underscore/underscore",

src/build.js

@@ -27,6 +27,7 @@
         "nl": "locale/nl/LC_MESSAGES/nl",
         "pt_BR": "locale/pt_BR/LC_MESSAGES/pt_BR", 
         "ru": "locale/ru/LC_MESSAGES/ru",
+        "zh": "locale/zh/LC_MESSAGES/zh",
         "jquery.tinysort": "components/tinysort/src/jquery.tinysort",
         "jquery.browser": "components/jquery.browser/dist/jquery.browser",
         "underscore": "components/underscore/underscore",